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    An Overview of Magnetic Particle and Liquid Penetrant Methods Documents and Associated Quantitative Measurement Standards Needs

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    The magnetic particle and liquid penetrant inspection methods are the most widely used nondestructive testing methods in industry today, as evidenced by the existence of a multitude of worldwide governmental, institutional, and industrial specifications which govern the use of these processes. However, there are some problem areas, that is, inconsistencies, overlaps, omissions, etc., associated with the various documents which control these two recognized test methods.

    Of fundamental importance, and in keeping with the theme of this symposium, this presentation will concentrate on the need for and the problems associated with the development of magnetic particle and liquid penetrant physical property standards and physical performance standards. We recognize the need for reproducible, quantitative, physical, and performance measurement standards such as calibrated cracks, artificial defects, magnetic penetrameters, flux density, “black light,” fluorescent brightness, and penetrant removability.

    Industry can benefit from the development of such standards. It is our intention, therefore, to discuss this area candidly and seek ways and means of achievement.


    nondestructive testing, standards, magnetic particle tests, penetrants

    Author Information:

    Borucki, JS
    Product manager, Magnaflux Corporation, Chicago, Ill.

    Committee/Subcommittee: E07.03

    DOI: 10.1520/STP27028S